Transaction not yet indexed

5b66ffKogVESeMt8WPjmifGSEScSuJb9yc5eXqjCfTCfPp84ep8pu1ZGcDNPJyQT7nKkkd3SpD6xgVAd3NdDKzpA

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.